When a mysterious key and a holiday riddle arrive on their doorsteps, Kate and Kevin embark on a Christmas romance adventure they’ll never forget.

When Lacey takes a rare break from work for her friend Ava's Christmas Eve wedding, she reconnects with her former flame, Ean. The two decorate the cottage where the newlyweds will spend their honeymoon – a cottage said to bring true love to anyone who stays there – and feel their chemistry return.